2007
DOI: 10.1016/j.aca.2007.06.019
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Determination of trace amounts of nitrogen in uranium based samples by ion chromatography (IC) without Kjeldahl distillation

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Cited by 15 publications
(6 citation statements)
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“…The carbon (C) and nitrogen (N) contents of the various substrate mixtures were measured using the furnace (Wang et al 2015 ) and the Kjeldahl method (Verma et al 2007 ) respectively. The carbon to nitrogen ratio of each substrate was calculated and are shown in Table 1 .…”
Section: Methodsmentioning
confidence: 99%
“…The carbon (C) and nitrogen (N) contents of the various substrate mixtures were measured using the furnace (Wang et al 2015 ) and the Kjeldahl method (Verma et al 2007 ) respectively. The carbon to nitrogen ratio of each substrate was calculated and are shown in Table 1 .…”
Section: Methodsmentioning
confidence: 99%
“…Melamineissometimesillegallyaddedtofoodproductsinordertoincreasetheapparentproteincontent.Standardtest,such astheKjeldahlandDumastests,estimateproteinlevelsbymeasuringthenitrogencontent [9][10][11] ,sotheycanbemisledbyadding nitrogen鄄richcompoundssuchasmelamine.InSeptember2008, severalcompanieswereimplicatedinascandalinvolvingmilk infantformulawhichhadbeenadulteratedwithmelamine,leadingtokidneystonesandotherrenalfailure,especiallyamong youngchildren.…”
Section: Vol25mentioning
confidence: 99%
“…[5] A 4 + determinada por colorimetria, eletrodo íon seletivo ou titulação com solução padrão ácida. [6][7] Existem outras técnicas para a determinação de nitrogênio, como a Luminescência, que é o fenômeno caracterizado pela emissão de luz de uma molécula que estava no seu estado excitado. Existem três tipos de luminescência que são utilizadas em análise de gases quais sejam: a fotoluminescência normalmente conhecida como fluorescência, a quimiluminescência e a fotometria de chama.…”
Section: Introductionunclassified